CN204356652U - A kind of waterproofing bridge floor paving structure - Google Patents
A kind of waterproofing bridge floor paving structure Download PDFInfo
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- CN204356652U CN204356652U CN201420815033.7U CN201420815033U CN204356652U CN 204356652 U CN204356652 U CN 204356652U CN 201420815033 U CN201420815033 U CN 201420815033U CN 204356652 U CN204356652 U CN 204356652U
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- bridge floor
- sieve aperture
- quality percentage
- asphalt
- paving structure
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Abstract
The utility model belongs to bridge floor construction field, and specifically disclose a kind of waterproofing bridge floor paving structure, it is characterized in that, comprise bridge deck, on bridge deck, making has water shutoff tack coat, cutting optimal and wearing layer successively from bottom to top.This deck installation structure is closely knit, waterproof, and durability is good, can ensure the water resistance of bridge floor.
Description
Technical field
The utility model belongs to bridge floor construction field, specifically discloses a kind of waterproofing bridge floor paving structure.
Background technology
In recent years, the Early tubal pregnancy phenomenon of speedway bridge floor asphalt mixture surfacing is comparatively general, its Crack cause mainly, cause moisture easily infiltrate inside, road surface and reach concrete slab because deck installation structure is unreasonable, destroy bridge deck pavement, make asphalt mixture surfacing and bridge deck concrete unsticking, and very easily cause prestressed concrete bridge panel to produce the diseases such as corrosion of steel bar.Moisture Damage phenomenon can affect the durability of whole bridge construction, therefore how Rational choice deck installation structure to ensure that the water resistance of bridge floor is a current engineering challenge urgently to be resolved hurrily.
Summary of the invention
For problems of the prior art, main purpose of the present utility model is to provide a kind of waterproofing bridge floor paving structure.This deck installation structure is closely knit, waterproof, and durability is good.
In order to achieve the above object, the utility model adopts following technical scheme to realize.
A kind of waterproofing bridge floor paving structure, it is characterized in that, described deck installation structure comprises bridge deck, and on bridge deck, making has water shutoff tack coat, cutting optimal and wearing layer successively from bottom to top; Described water shutoff adhesive layer thickness is 0.15cm, is formed by sand asphalt making; Described cutting optimal thickness is 4cm, is formed by particulate formula dense-graded asphalt concrete making; Described wearing layer thickness is 5cm, is formed by stone mastic asphalt making.
The utility model further improves and is:
(1) described sand asphalt is AC-5 sand asphalt, and comprise A-70 matrix pitch and mineral aggregate that mass ratio is 6.5:100, its void content is 1-3%.
(2) described particulate formula dense-graded asphalt concrete is AC-13 bituminous concrete, and comprise SBS modified bitumen and mineral aggregate that mass ratio is 4.7:100, its void content is 3.8-4.0%, and the compression modulus of 20 DEG C is 1200-1400Mpa.
(3) described stone mastic asphalt is SMA-16 stone mastic asphalt, comprise SBS modified bitumen, lignin fibre and mineral aggregate, wherein, the mass ratio of SBS modified bitumen and mineral aggregate is 5.8:100, and the quality of lignin fibre is 0.3% of compound gross mass; The void content of described stone mastic asphalt is 4.0-4.2%, and the compression modulus of 20 DEG C is 1400-1600Mpa.
Advantage of the present utility model and beneficial effect as follows: in (1) this waterproofing bridge floor paving structure, water shutoff tack coat adopts sand asphalt, effectively can reduce the requirement to bridge deck planeness, and connecting and waterproof ability between bridge floor with asphalt surface course can be strengthened, and alternative adhesion coating and synchronous breakstone are as water shutoff tack coat, reduce construction costs.(2), in this waterproofing bridge floor paving structure, cutting optimal AC-13 asphalt mix design is comparatively thin, ensure that anti-fatigue performance and the water resistance of bridge floor; Compound maximum particle diameter is less, better with bridge deck bond effect, is conducive to ensureing interlaminar strength, adaptable to floor elevation, and be conducive to ensureing continuous slab-deck, construction compacting is easy; SBS modified bitumen consumption reduces 0.1-0.2% on standard mix design quantity basis, saves engineering cost, improves the shear behavior of cutting optimal, ensure that road surface not bellding simultaneously.(3), in this waterproofing bridge floor paving structure, the cage construction that wearing layer SMA-16 asphalt-mastic-broken stone layer is built by coarse aggregate has excellent opposing permanent deformation; The stone mastic asphalt be made up of SBS modified bitumen, lignin fibre and mineral aggregate provides excellent durability; Thicker design grating makes bridge floor form coarse construction depth, makes bridge floor have excellent skid resistance and lower traffic noise.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is a kind of waterproofing bridge floor paving structure schematic cross-sectional view of the present utility model.
Mark in figure represents respectively: 1, wearing layer; 2, cutting optimal; 3, water shutoff tack coat; 4, bridge deck.
Detailed description of the invention
Embodiment 1: a kind of waterproofing bridge floor paving structure of the present utility model
Waterproofing bridge floor paving structure comprises bridge deck 4, and on bridge deck 4, making has water shutoff tack coat 3, cutting optimal 2 and wearing layer 1 successively from bottom to top.Its schematic cross-sectional view is with reference to Fig. 1.
Wherein, the thickness of water shutoff tack coat 3 is 0.15cm, adopts AC-5 sand asphalt making to form.AC-5 sand asphalt comprises the A-70 bi tumenf orr oad and mineral aggregate that mass ratio is 6.5:100, and its porosity is 1%.Its grading limit is: be 100% by the quality percentage of 16mm sieve aperture, be 85-100% by the quality percentage of 13.2mm sieve aperture, be 65-80% by the quality percentage of 4.75mm sieve aperture, be 50-65% by the quality percentage of 2.36mm sieve aperture, being 18-30% by the quality percentage of 0.3mm sieve aperture, is 5-15% by the quality percentage of 0.075mm sieve aperture.
The thickness of cutting optimal 2 is 4cm, is formed by AC-13 type dense-graded asphalt concrete compound making.AC-13 dense-graded asphalt concrete compound comprises the SBS modified bitumen and mineral aggregate that mass ratio is 4.7:100, and its void content is the compression modulus of 3.8,20 DEG C is 1200.Its grading limit is: be 100% by the quality percentage of 16mm sieve aperture, be 90-100% by the quality percentage of 13.2mm sieve aperture, be 65-80% by the quality percentage of 9.5mm sieve aperture, be 35-45% by the quality percentage of 4.75mm sieve aperture, be 23-30% by the quality percentage of 2.36mm sieve aperture, be 15-24% by the quality percentage of 1.18mm sieve aperture, be 11-20% by the quality percentage of 0.6mm sieve aperture, be 8-15% by the quality percentage of 0.3mm sieve aperture, be 6-10% by the quality percentage of 0.15mm sieve aperture, be 4-7% by the quality percentage of 0.075mm sieve aperture.
The thickness of described wearing layer 1 is 5cm, is formed by SMA-16 type stone mastic asphalt making.SMA-16 type stone mastic asphalt is made up of SBS modified bitumen, lignin fibre and mineral aggregate; Wherein, the mass ratio of SBS modified bitumen and mineral aggregate is 5.8:100, and the quality of lignin fibre is 0.3% of compound gross mass; The void content of stone mastic asphalt is the compression modulus of 4.0%, 20 DEG C is 1400Mpa.The grading limit of mineral aggregate is: be 100% by the quality percentage of 19mm sieve aperture, be 90-95% by the quality percentage of 16mm sieve aperture, be 65-75% by the quality percentage of 13.2mm sieve aperture, be 45-55% by the quality percentage of 9.5mm sieve aperture, be 20-26% by the quality percentage of 4.75mm sieve aperture, be 15-20% by the quality percentage of 2.36mm sieve aperture, be 14-18% by the quality percentage of 1.18mm sieve aperture, be 12-15% by the quality percentage of 0.6mm sieve aperture, be 10-13% by the quality percentage of 0.3mm sieve aperture, be 9-12% by the quality percentage of 0.15mm sieve aperture, be 8-10% by the quality percentage of 0.075mm sieve aperture.
Embodiment 2: another kind of waterproofing bridge floor paving structure of the present utility model
Waterproofing bridge floor paving structure comprises bridge deck, and on bridge deck 4, making has water shutoff tack coat 3, cutting optimal 2 and wearing layer 1 successively from bottom to top.Its schematic cross-sectional view is with reference to Fig. 1.
Wherein, the thickness of water shutoff tack coat 3 is 0.15cm, adopts AC-5 sand asphalt making to form.AC-5 sand asphalt comprises the A-70 bi tumenf orr oad and mineral aggregate that mass ratio is 6.5:100, and its porosity is 3%.The grading limit of mineral aggregate is: be 100% by the quality percentage of 16mm sieve aperture, be 85-100% by the quality percentage of 13.2mm sieve aperture, be 65-80% by the quality percentage of 4.75mm sieve aperture, be 50-65% by the quality percentage of 2.36mm sieve aperture, being 18-30% by the quality percentage of 0.3mm sieve aperture, is 5-15% by the quality percentage of 0.075mm sieve aperture.
The thickness of cutting optimal 2 is 4cm, is formed by AC-13 type dense-graded asphalt concrete compound making.AC-13 dense-graded asphalt concrete compound comprises the SBS modified bitumen and mineral aggregate that mass ratio is 4.7:100, and its void content is the compression modulus of 4.0,20 DEG C is 1400.The grading limit of mineral aggregate is: be 100% by the quality percentage of 16mm sieve aperture, be 90-100% by the quality percentage of 13.2mm sieve aperture, be 65-80% by the quality percentage of 9.5mm sieve aperture, be 35-45% by the quality percentage of 4.75mm sieve aperture, be 23-30% by the quality percentage of 2.36mm sieve aperture, be 15-24% by the quality percentage of 1.18mm sieve aperture, be 11-20% by the quality percentage of 0.6mm sieve aperture, be 8-15% by the quality percentage of 0.3mm sieve aperture, be 6-10% by the quality percentage of 0.15mm sieve aperture, be 4-7% by the quality percentage of 0.075mm sieve aperture.
The thickness of described wearing layer 1 is 5cm, is formed by SMA-16 type stone mastic asphalt making.SMA-16 type stone mastic asphalt is made up of SBS modified bitumen, lignin fibre and mineral aggregate; Wherein, the mass ratio of SBS modified bitumen and mineral aggregate is 5.8:100, and the quality of lignin fibre is 0.3% of compound gross mass; The void content of described stone mastic asphalt is the compression modulus of 4.2%, 20 DEG C is 1600Mpa.The grading limit of described mineral aggregate is: be 100% by the quality percentage of 19mm sieve aperture, be 90-95% by the quality percentage of 16mm sieve aperture, be 65-75% by the quality percentage of 13.2mm sieve aperture, be 45-55% by the quality percentage of 9.5mm sieve aperture, be 20-26% by the quality percentage of 4.75mm sieve aperture, be 15-20% by the quality percentage of 2.36mm sieve aperture, be 14-18% by the quality percentage of 1.18mm sieve aperture, be 12-15% by the quality percentage of 0.6mm sieve aperture, be 10-13% by the quality percentage of 0.3mm sieve aperture, be 9-12% by the quality percentage of 0.15mm sieve aperture, be 8-10% by the quality percentage of 0.075mm sieve aperture.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification, increase and decrease thickness or change grading limit done above embodiment according to the technical solution of the utility model, all belongs to the protection domain of the technical scheme of the application.
Claims (7)
1. a waterproofing bridge floor paving structure, is characterized in that, comprises bridge deck, and on bridge deck, making has water shutoff tack coat, cutting optimal and wearing layer successively from bottom to top.
2. a kind of waterproofing bridge floor paving structure according to claim 1, is characterized in that, the sand asphalt making that described water shutoff tack coat is 0.15cm by thickness forms.
3. a kind of waterproofing bridge floor paving structure according to claim 2, is characterized in that, described sand asphalt is the AC-5 sand asphalt of void content 1-3%.
4. a kind of waterproofing bridge floor paving structure according to claim 1, is characterized in that, the particulate formula dense-graded asphalt concrete making that described cutting optimal is 4cm by thickness forms.
5. a kind of waterproofing bridge floor paving structure according to claim 4, is characterized in that, described particulate formula dense-graded asphalt concrete is the AC-13 bituminous concrete of void content 3.8-4.0%.
6. a kind of waterproofing bridge floor paving structure according to claim 1, is characterized in that, the stone mastic asphalt making that described wearing layer is 5cm by thickness forms.
7. a kind of waterproofing bridge floor paving structure according to claim 6, is characterized in that, described stone mastic asphalt is the SMA-16 stone mastic asphalt of void content 4.0-4.2%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420815033.7U CN204356652U (en) | 2014-12-19 | 2014-12-19 | A kind of waterproofing bridge floor paving structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420815033.7U CN204356652U (en) | 2014-12-19 | 2014-12-19 | A kind of waterproofing bridge floor paving structure |
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| CN204356652U true CN204356652U (en) | 2015-05-27 |
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| CN201420815033.7U Expired - Fee Related CN204356652U (en) | 2014-12-19 | 2014-12-19 | A kind of waterproofing bridge floor paving structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133455A (en) * | 2015-07-22 | 2015-12-09 | 济南市市政工程设计研究院（集团）有限责任公司 | Asphalt overlay treatment method of extreme-cold region cement concrete pavement |
| CN106638293A (en) * | 2016-12-13 | 2017-05-10 | 北京特希达交通勘察设计院有限公司 | Bridge floor waterproof structure suitable for urban bridge rapid construction and construction method |
| CN108729321A (en) * | 2018-05-25 | 2018-11-02 | 东南大学 | A kind of prefabricated Orthotropic steel plate paving structure and its method for paving |
| CN114651611A (en) * | 2022-04-15 | 2022-06-24 | 河南工大设计研究院 | Low-temperature grain storage double-layer wall square silo and method for entering and exiting silo |
-
2014
- 2014-12-19 CN CN201420815033.7U patent/CN204356652U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133455A (en) * | 2015-07-22 | 2015-12-09 | 济南市市政工程设计研究院（集团）有限责任公司 | Asphalt overlay treatment method of extreme-cold region cement concrete pavement |
| CN106638293A (en) * | 2016-12-13 | 2017-05-10 | 北京特希达交通勘察设计院有限公司 | Bridge floor waterproof structure suitable for urban bridge rapid construction and construction method |
| CN108729321A (en) * | 2018-05-25 | 2018-11-02 | 东南大学 | A kind of prefabricated Orthotropic steel plate paving structure and its method for paving |
| CN114651611A (en) * | 2022-04-15 | 2022-06-24 | 河南工大设计研究院 | Low-temperature grain storage double-layer wall square silo and method for entering and exiting silo |
| CN114651611B (en) * | 2022-04-15 | 2023-09-15 | 河南工大设计研究院 | Low-temperature grain storage double-layer wall square silo and silo inlet and outlet method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20161219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |